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大型数据中心的主要用电设备包括IT设备、消防负荷、安全防范系统、监控系统、空调用电系统和机房照明等,上述用电负荷都是一级负荷中特别重要的负荷。其中,IT设备包括服务器、存储设备和网络交换机设备。服务器是数据中心的核心设备,按机箱结构可分为台式服务器、机架式服务器和机柜式服务器等。在市政电源系统中,供电电源电压选择如下表所示。
The major electrical equipment used in large data centers include IT equipment, fire load, safety precaution system, monitoring system, air conditioning power system and engine room lighting. These loads are all particularly important loads in Class I loads. Among them, IT equipment, including servers, storage devices and network switch equipment. Server is the core data center equipment, according to the chassis structure can be divided into desktop servers, rack servers and rack servers. In the municipal power system, the power supply voltage selection as shown in the following table.